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48
11
MAINTENANCE
PROBLEM
POSSIBLE CAUSE
SOLUTION
REF.
Transmission continues
even when the PTT is re-
leased.
T h e f u n c t i o n d i s p l a y
shows erroneous informa-
tion.
• PTT hold function is activated.
• The CPU is malfunctioning.
• Turn OFF the function.
• Reset the CPU.
pp. 43,
25
p. 44
Fuse replacement
■
If the fuse blows or the transceiver stops functioning, fi nd the
source of the problem if possible, and replace the damaged
fuse with a new one, rated at (FGB 10 A) as shown to the
right.
Troubleshooting (Continued)
■
10 A fuse
Summary of Contents for IC-440N
Page 1: ...INSTRUCTION MANUAL i440N UHF TRANSCEIVER ...
Page 56: ...Cut here ...
Page 59: ...MEMO Cut here ...
Page 60: ...MEMO ...